Manual refrigeration apparatus



FIG. 1 is a perspective view of a manual refrigeration apparatus, showing my new design;

FIG. 2 is an enlarged front elevational view thereof;

FIG. 3 is an enlarged rear elevational view thereof;

FIG. 4 is an enlarged top plan view thereof; and,

FIG. 5 is an enlarged right side elevational view, the left side being a mirror image thereof.

The portion of FIG. 1 shown in broken lines is for illustrative purposes only and forms no part of the claimed design. The handle portion of the design is broken in FIG. 4 and 5 for clarity in the drawing views. The undisclosed bottom of the design is devoid of ornamental features. 

The ornamental design for a manual refrigeration apparatus, as shown and described. 